I really sorry I have to do this I'm in a test I need help
A) Divide total miles by total time:
21 miles / 4 hours = 5.25 miles per hour.
B) Divide miles by miles per hour:
42 miles / 5.25 miles per hour = 8 hours.
Answer:
53°
Step-by-step explanation:
The angle that measures 143 is vertical to the right angle and the ? angle.
Vertical angles have the same measure. <? + <90 = <143
So do 143 - 90 = 53
So the ? angle = 53
Hope this helps ya!!
You must add up all of the values and then divide them by the number of the values.
